Proofcan and ForensicMark.

ForensicMark describes itself as an API that embeds invisible forensic watermarks into images and attaches C2PA cryptographic content credentials. Everything on this page about ForensicMark comes from its own site; everything about Proofcan comes from Proofcan’s own product pages.

What each publishes

What it does

ForensicMark

An API that embeds invisible forensic watermarks into images and attaches C2PA content credentials.

“ForensicMark is an API that embeds invisible forensic watermarks into images and attaches C2PA cryptographic content credentials.” · About — ForensicMark

Uses a neural encoder-decoder architecture to embed a payload in the high-frequency components of an image.

“ForensicMark uses a neural encoder-decoder architecture trained to embed a payload into the high-frequency components of an image” · About — ForensicMark

Proofcan

A C2PA manifest declaring the image as AI-generated, an invisible TrustMark watermark carrying a lookup ID, and a registry record.

Media and formats

ForensicMark

Demo upload formats: JPEG, PNG, WebP, HEIC, AVIF, up to 100 MB.

“JPEG · PNG · WebP · HEIC · AVIF · max 100 MB” · ForensicMark — Invisible Forensic Watermarking API

Proofcan

Images only (PNG, JPEG, WebP), up to 50 MB each and 25 per batch. No video, audio or text.

How it is sold

ForensicMark

Says there is no self-serve pay-per-use option yet.

“There's no self-serve pay-per-use option yet.” · Pricing — ForensicMark

Proofcan

Self-serve web application; Free, Starter, Pro and Agency plans.

Published pricing

ForensicMark

Free tier at USD 0 with daily limits (20 invisible watermark embeds per day).

“20 invisible watermark embeds per day” · Pricing — ForensicMark

Custom API plan: contact us; no published price.

“Unlimited access, batch processing, and enterprise support” · Pricing — ForensicMark

Proofcan

Published: Free (5 marks a month), EUR 29, EUR 99 and EUR 199 a month for 100, 400 and 1,000 marks.

Standards statements

ForensicMark

States that it satisfies the EU AI Act Article 50 requirement using watermarks and C2PA as listed compliance methods (quoted as published).

“ForensicMark satisfies the requirement using watermarks and C2PA as explicitly listed compliance methods.” · ForensicMark — Invisible Forensic Watermarking API

Proofcan

C2PA Conformance application in progress.

Limits of this comparison

  • We could not identify a legal entity name, address or named team on the site; the only contact we found is an email address.
  • The site shows testimonials that we cannot independently confirm, so we do not list them.
  • The site makes no C2PA conformance or trust-list claim that we saw. Its Article 50 statement is the company’s own and is not an assessment by us.
  • What Proofcan lacks: Proofcan does not cover video, audio or text, and its C2PA conformance application is still in progress.

Different starting points

ForensicMark’s site offers an API with a free daily allowance and a contact-us tier, and also mentions an MCP server for AI agents. Proofcan is a web application with published monthly plans and a public registry.

Visit ForensicMark at forensicmark.com/ to check what it offers today.

Questions

What does ForensicMark say it does?
ForensicMark describes itself as an API that embeds invisible forensic watermarks into images and attaches C2PA cryptographic content credentials.
What does ForensicMark publish about pricing?
On the pages we read: Free tier at USD 0 with daily limits (20 invisible watermark embeds per day). Custom API plan: contact us; no published price. Proofcan: Published: Free (5 marks a month), EUR 29, EUR 99 and EUR 199 a month for 100, 400 and 1,000 marks.
What does Proofcan not do?
Proofcan does not cover video, audio or text, and its C2PA conformance application is still in progress.

This page reports what the cited sources say on the date shown. It is not an assessment of anyone’s product, it is not legal advice, and Proofcan does not guarantee compliance. Spotted something out of date? Write to support@proofcan.com.

Sources

Page reviewed . Proofcan is a technical tool, not legal advice, and does not guarantee compliance.